From e2bbf175a2184bd76f6c54ccf8456babeb1a46fc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 9 Apr 2024 15:16:35 +0200 Subject: Adding upstream version 9.1. Signed-off-by: Daniel Baumann --- lib/routing_nb_config.c | 102 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 102 insertions(+) create mode 100644 lib/routing_nb_config.c (limited to 'lib/routing_nb_config.c') diff --git a/lib/routing_nb_config.c b/lib/routing_nb_config.c new file mode 100644 index 0000000..f4fe48f --- /dev/null +++ b/lib/routing_nb_config.c @@ -0,0 +1,102 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (C) 2018 Vmware + * Vishal Dhingra + */ + +#include + +#include "northbound.h" +#include "libfrr.h" +#include "vrf.h" +#include "lib_errors.h" +#include "routing_nb.h" + + +DEFINE_HOOK(routing_conf_event, (struct nb_cb_create_args *args), (args)); + +/* + * XPath: /frr-routing:routing/control-plane-protocols/control-plane-protocol + */ + +int routing_control_plane_protocols_control_plane_protocol_create( + struct nb_cb_create_args *args) +{ + struct vrf *vrf; + const char *vrfname; + + switch (args->event) { + case NB_EV_VALIDATE: + if (hook_call(routing_conf_event, args)) + return NB_ERR_VALIDATION; + break; + case NB_EV_PREPARE: + case NB_EV_ABORT: + break; + case NB_EV_APPLY: + /* + * If the daemon relies on the VRF pointer stored in this + * dnode, then it should register the dependency between this + * module and the VRF module using + * routing_control_plane_protocols_register_vrf_dependency. + * If such dependency is not registered, then nothing is + * stored in the dnode. If the dependency is registered, + * find the vrf and store the pointer. + */ + if (nb_node_has_dependency(args->dnode->schema->priv)) { + vrfname = yang_dnode_get_string(args->dnode, "./vrf"); + vrf = vrf_lookup_by_name(vrfname); + assert(vrf); + nb_running_set_entry(args->dnode, vrf); + } + break; + }; + + return NB_OK; +} + +int routing_control_plane_protocols_control_plane_protocol_destroy( + struct nb_cb_destroy_args *args) +{ + if (args->event != NB_EV_APPLY) + return NB_OK; + + /* + * If dependency on VRF module is registered, then VRF + * pointer was stored and must be cleared. + */ + if (nb_node_has_dependency(args->dnode->schema->priv)) + nb_running_unset_entry(args->dnode); + + return NB_OK; +} + +static void vrf_to_control_plane_protocol(const struct lyd_node *dnode, + char *xpath) +{ + const char *vrf; + + vrf = yang_dnode_get_string(dnode, "./name"); + + snprintf(xpath, XPATH_MAXLEN, FRR_ROUTING_KEY_XPATH_VRF, vrf); +} + +static void control_plane_protocol_to_vrf(const struct lyd_node *dnode, + char *xpath) +{ + const char *vrf; + + vrf = yang_dnode_get_string(dnode, "./vrf"); + + snprintf(xpath, XPATH_MAXLEN, FRR_VRF_KEY_XPATH, vrf); +} + +void routing_control_plane_protocols_register_vrf_dependency(void) +{ + struct nb_dependency_callbacks cbs; + + cbs.get_dependant_xpath = vrf_to_control_plane_protocol; + cbs.get_dependency_xpath = control_plane_protocol_to_vrf; + + nb_node_set_dependency_cbs(FRR_VRF_XPATH, FRR_ROUTING_XPATH, &cbs); +} -- cgit v1.2.3